This release includes the 10 gigabit FreeBSD Base Driver for Intel® Network
Connection. 

 - ixgbe driver supports all 82599 and 82598EB-based 10 gigabit network 
   connections. 
 - ixgb driver supports all 82597-based 10 gigabit network connections. 

NOTE: The ixgb driver can be downloaded at: 
http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/ixgb/

ixgbe-x.x.x.tar.gz